public class Example4_1{
    public static void main(String[] args) {
        XiaoyoujiRenwu zhubajie;
        zhubajie = new XiaoyoujiRenwu();
    }
}
class XiaoyoujiRenwu{
    float height,weight;
    String head,ear;
    void speak(String s){
        System.out.println(s);
    }
}